August 11, 1973 There were numerous people and events that led up to the birth of Hip-Hop. Yet, the culture was officially created at a party held inside an apartment building in The Bronx, N.Y. on this day 49 years ago. On August 11, 1973, Clive Campbell, aka DJ Kool Herc, and his sister Cindy Campbell hosted a back-to-school block party from the recreational room of 1520 Sedgwick Avenue in The Bronx.